Gastropoda, Cuvier, 1795

Systematics Class Gastropoda View in CoL

Subclass Patellogastropoda Superfamily Lottioidea Family Lottiidae Genus Tectura Gray, 1847

Tectura iguypis new species ( Fig. 1 View Figure 1 A-F, 3C) https://zoobank.org/ 24FD74FE-FDDF-4D4B-A99B-E9B0AAE5FEDC

Types: Holotype MZSP 165600 View Materials , shell . Paratypes: MZSP 165664 View Materials , 1 View Materials shell, MZSP 165665 View Materials , 5 View Materials shells from type locality. BRAZIL. Bahia ; Cairu, Praia de Garapuá (Morro de São Paulo), 13°29′32″S 38°54′21″W, MZSP 100771 View Materials , 1 View Materials spm [Petronio Alves Coelho-Filho col., Petrobras, 2011] GoogleMaps .

Type locality: BRAZIL. Espírito Santo ; Guarapari, Praia do Morro , 20°39′42″S 40°29′41″W [Simone col., 15.i.1982] GoogleMaps .

Diagnosis: East Brazilian species with lateral compression, monochromatic, subcentral apex, lacking additional sculpture.

Description: Shell up to 3 mm, elongated (~2.4 times longer than wide), tall (~1.8 times longer than tall); laterally compressed; almost same width along its length, with posterior region slightly broader than anterior region ( Fig. 1B, C, E View Figure 1 ). Walls thin, slightly translucent. Color whitish ( Fig. 1 View Figure 1 A-D) to yellowish ( Fig. 1 View Figure 1 E-F), uniform. Apex rounded, central in dorsal view ( Fig. 1B, E View Figure 1 ), slightly dislocated posteriorly in lateral view ( Fig. 1A, D, F View Figure 1 ). Protoconch not seen (eroded). Profile with angle ~100°, anterior surface slightly convex; lateral and posterior surface practically planar-straight. Outer surface only possessing growth lines and concentric undulations, no other additional sculpture. Shell edges slightly convex laterally, concave anterior and posteriorly ( Fig. 1A, F View Figure 1 ). Internal surface glossy ( Fig. 1C View Figure 1 ), muscle scars not visible.